NASDAQ: UPB
Upstream Bio Inc Stock Ownership - Who owns Upstream Bio?

Insider buying vs selling

Have Upstream Bio Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Ai Upstream LLC10% Owner2024-10-151,175,000$17.00
$19.98MBuy
Erez ChimovitsDirector2024-10-15660,000$17.00
$11.22MBuy
Erez ChimovitsDirector2024-10-15165,000$17.00
$2.81MBuy
Orbimed Advisors LLCDirector2024-10-15660,000$17.00
$11.22MBuy
Orbimed Advisors LLCDirector2024-10-15165,000$17.00
$2.81MBuy

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Net Insider Buy/Sell (L12M) Ownership

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UPB Shareholders

What type of owners hold Upstream Bio Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Fmr LLC13.38%7,176,187$63.01MInstitution
Orbimed Advisors LLC10.84%5,813,673$51.04MInsider
Erez Chimovits10.84%5,813,673$51.04MInsider
Orbimed Advisors LLC10.61%5,693,589$49.99MInstitution
Ai Upstream LLC10.24%5,494,410$48.24MInsider
Decheng Capital LLC6.12%3,285,293$28.84MInstitution
Tcg Crossover Management LLC5.22%2,801,763$24.60MInstitution
Enavate Sciences GP LLC4.59%2,459,703$21.60MInstitution
Bain Capital Life Sciences Investors LLC4.28%2,295,322$20.15MInstitution
Vr Adviser LLC4.28%2,295,319$20.15MInstitution

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UPB vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
UPB68.96%31.04%Net Buying
BCYC58.31%41.69%Net BuyingNet Selling
IMTX75.92%0.00%
SVRA39.31%60.69%Net SellingNet Buying
CRMD35.21%10.21%Net SellingNet Buying

Upstream Bio Stock Ownership FAQ

Who owns Upstream Bio?

Upstream Bio (NASDAQ: UPB) is owned by 74.64% institutional shareholders, 33.59% Upstream Bio insiders, and 0.00% retail investors. Orbimed Advisors LLC is the largest individual Upstream Bio shareholder, owning 5.81M shares representing 10.84% of the company. Orbimed Advisors LLC's Upstream Bio shares are currently valued at $56.45M.

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